下列逻辑覆盖测试中，最强的是______。
A．语句覆盖
B．条件覆盖
C．路径覆盖
D．条件组合覆盖
参考答案：C
解析： 逻辑覆盖是以程序内部的逻辑结构为基础的设汁测试用例的技术，属于白盒测试。由于覆盖率的不同，又可以分为语句覆盖、判定覆盖、条件覆盖、判定/条件覆盖、条件组合覆盖和路径覆盖。其中最强的是路径覆盖，即测试用例能够执行程序中所有的路径；最弱的是语句覆盖，即设计的测试用例使得程序中每一可执行语句至少执行一次。
Mark Twain was a great American 1 . He was also a famous speaker. Many people liked to listen to his 2 . One day Mark Twain was going to a small town 3 his writing. 4 he was going to leave, one of his friends said to him that there were always a lot of mosquitoes (蚊子) in the town. Mark Twain said, “ 5 I don’t think the mosquitoes will come to visit me. After he 6 the town, Mark Twain stayed in a small hotel near the station. He went into his room, but when he was just about to have a rest, quite a few mosquitoes flew about him. The waiter felt very sorry about that. “ I’m very sorry, Mr. Mark Twain. There are 7 mosquitoes in our town,” he said. Mark Twain , however, 8 a joke, saying to the waiter, “ the mosquitoes are very 9 . They know my 10 number. They didn’t come to the wrong room.”
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